/* { dg-do compile } */
/* { dg-options "-std=gnu99 -Wformat -Wmissing-format-attribute" } */
-#include <stdarg.h>
-
-extern int vprintf (const char *restrict, va_list);
-extern int vscanf (const char *restrict, va_list);
+#include "format.h"
void
foo (const char *fmt, ...)